1 /*
   2  * Copyright (c) 2003, 2015, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /**
  25  * @test
  26  * @bug 4882798
  27  * @summary test transformer add/remove pairs in sequence
  28  * @author Gabriel Adauto, Wily Technology
  29  *
  30  * @modules java.instrument
  31  * @run build TransformMethodTest
  32  * @run shell MakeJAR.sh redefineAgent
  33  * @run main/othervm -javaagent:redefineAgent.jar TransformMethodTest TransformMethodTest
  34  * @key randomness
  35  */
  36 import java.lang.instrument.*;
  37 
  38 public class
  39 TransformMethodTest
  40     extends ATransformerManagementTestCase
  41 {
  42 
  43     /**
  44      * Constructor for TransformMethodTest.
  45      * @param name
  46      */
  47     public TransformMethodTest(String name)
  48     {
  49         super(name);
  50     }
  51 
  52     public static void
  53     main (String[] args)
  54         throws Throwable {
  55         ATestCaseScaffold   test = new TransformMethodTest(args[0]);
  56         test.runTest();
  57     }
  58 
  59     protected final void
  60     doRunTest()
  61         throws Throwable {
  62         testTransform();
  63     }
  64 
  65     /**
  66      * Verify that the transformers can be added and removed correctly
  67      */
  68     public void
  69     testTransform()
  70     {
  71         for (int i = 0; i < kTransformerSamples.length; i++)
  72         {
  73             ClassFileTransformer transformer = getRandomTransformer();
  74             addTransformerToManager(fInst, transformer);
  75             verifyTransformers(fInst);
  76             removeTransformerFromManager(fInst, transformer, true);
  77         }
  78     }
  79 
  80 }